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<title>无标题文档</title>
<script type="text/javascript">
	
	// 函数内部存在一个对象arguments，这个对象里面存储的是用户传进来的所有的参数
	function chengfa(num1,num2){
		var re = num1*num2;
		alert(re);
		// alert(arguments[1]);
	}



	chengfa(4,5,6,7,8);
	// chengfa(4,7);
	// chengfa(3,9);

</script>
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